interface CarBase {
    height: number,
    width: number
    weight: number
}
interface Bycile extends CarBase {
    enigner: string
}
interface Su7 extends CarBase {
    window: string
}
const su8: Su7 = {
    height: 100,
    weight: 200,
    width: 300,
    window: '车玻璃'
}

const bycile1: Bycile = {
    height: 100,
    weight: 200,
    width: 300,
    enigner: '车链条'
}

export { su8, bycile1 }
